pyr-

combining form

a variant of pyro-

pyro- or (before a vowel) pyr-

combining form

denoting fire, heat, or high temperature

⇒ pyromania

⇒ pyrometer

caused or obtained by fire or heat

⇒ pyroelectricity

chemistry.

denoting a new substance obtained by heating another

⇒ pyroboric acid is obtained by heating boric acid

denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds

⇒ pyro-phosphoric acid

mineralogy.

having a property that changes upon the application of heat

⇒ pyromorphite

having a flame-coloured appearance

⇒ pyroxylin

Origin

from Gk pur fire

pyr-

variant of pyro-, used before h or a vowel:

pyran.

Related Words

pyrope
pyrargyrite
pyrazole
pyrene
pyrheliometer
pyridine

pyr-variant of pyro-, used occasionally before vowels or h, as in pyran.

pyr-
combining form
or pyro-

ETYMOLOGY Greek, from pyr — more at fire

1. fire : heat
    pyrometer
    pyrheliometer
2.
  a. produced by or as if by the action of heat
      pyroelectricity
  b. derived from a corresponding ortho acid by loss usually of one molecule of water from two molecules of acid
      pyrophosphoric acid
3. fever
    pyrogenic

pyr- combining form see pyro-.

pyr-

the form of pyro- that appears before h, and sometimes before vowels, as in pyrene, pyrheliometer.

pyr-
combining form
or pyro-
Etymology: Middle English pyro-, from Middle French pyr-, pyro-, from Late Latin, from Greek, from pyr — more at fire
1.
a. : fire : heat
  < pyrometer >
  < pyrheliometer >
b. : pyrogenous and
  < pyromagnetic >
2.
a. : derivative by the action of heat; especially : derived from the corresponding ortho acid by loss usually of one molecule of water from two molecules of acid — in names of inorganic acids
  < pyrophosphoric acid >
— compare meta- 4c, orth- 3a
b. : due to or attributed to the action of fire or heat
  < pyrochlore >
  < pyrometamorphism >
also : of fiery color
  < pyrophanite >
3. : fever : fever producing
< pyrotoxin >
< pyrogen >

词汇	pyr-
词根词缀	AHD Collins Dictionary.com Macquarie MWCD SOED WBD Webster Wiktionary pyr- pref.（前缀） Variant of pyro- pyro-的变体 pyr- combining form a variant of pyro- pyro- or (before a vowel) pyr- combining form denoting fire, heat, or high temperature ⇒ pyromania ⇒ pyrometer caused or obtained by fire or heat ⇒ pyroelectricity chemistry. denoting a new substance obtained by heating another ⇒ pyroboric acid is obtained by heating boric acid denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds ⇒ pyro-phosphoric acid mineralogy. having a property that changes upon the application of heat ⇒ pyromorphite having a flame-coloured appearance ⇒ pyroxylin Origin from Gk pur fire pyr- 1 variant of pyro-, used before h or a vowel: pyran. Related Words pyrope pyrargyrite pyrazole pyrene pyrheliometer pyridine pyr-variant of pyro-, used occasionally before vowels or h, as in pyran. pyr- combining form or pyro- ETYMOLOGY Greek, from pyr — more at fire 1. fire : heat pyrometer pyrheliometer 2. a. produced by or as if by the action of heat pyroelectricity b. derived from a corresponding ortho acid by loss usually of one molecule of water from two molecules of acid pyrophosphoric acid 3. fever pyrogenic pyr- combining form see pyro-. pyr- the form of pyro- that appears before h, and sometimes before vowels, as in pyrene, pyrheliometer. pyr- combining form or pyro- Etymology: Middle English pyro-, from Middle French pyr-, pyro-, from Late Latin, from Greek, from pyr — more at fire 1. a. : fire : heat < pyrometer > < pyrheliometer > b. : pyrogenous and < pyromagnetic > 2. a. : derivative by the action of heat; especially : derived from the corresponding ortho acid by loss usually of one molecule of water from two molecules of acid — in names of inorganic acids < pyrophosphoric acid > — compare meta- 4c, orth- 3a b. : due to or attributed to the action of fire or heat < pyrochlore > < pyrometamorphism > also : of fiery color < pyrophanite > 3. : fever : fever producing < pyrotoxin > < pyrogen > pyr- Prefix Alternative form of pyro- Derived terms ► English words prefixed with pyr-
随便看	wildebeest wilderness wildfire wild goose chase wildlife wildly wild man wildness wile wilful Wilhelm will -willed willful willfully William willies willing willingness will-o'-the-wisp willow willowy willpower willy-nilly Wilsonian

pyr-

combining form

pyro- or (before a vowel) pyr-

combining form

Origin

pyr-

Related Words

pyr-

Prefix

Derived terms